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MDEV-14238 Bogus assertion on row_get_rec_trx_id()

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page_zip_write_rec(): Do not attempt to access a non-existing
DB_TRX_ID column when writing a record to a non-leaf page.
This commit is contained in:
Marko Mäkelä 2018-02-09 08:26:47 +02:00
parent 8411a8ff60
commit e4da20d438
1 changed files with 4 additions and 3 deletions
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7
storage/innobase/page/page0zip.cc
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@ -2,7 +2,7 @@
Copyright (c) 2005, 2016, Oracle and/or its affiliates. All Rights Reserved.
Copyright (c) 2012, Facebook Inc.
Copyright (c) 2014, 2017, MariaDB Corporation.
Copyright (c) 2014, 2018, MariaDB Corporation.
This program is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
@ -3714,8 +3714,9 @@ page_zip_write_rec(
/* Copy the delete mark. */
if (rec_get_deleted_flag(rec, TRUE)) {
/* In delete-marked records, DB_TRX_ID must
always refer to an existing undo log record. */
ut_ad(!dict_index_is_clust(index)
always refer to an existing undo log record.
On non-leaf pages, the delete-mark flag is garbage. */
ut_ad(!index->is_primary() || !page_is_leaf(page)
|| row_get_rec_trx_id(rec, index, offsets));
*slot |= PAGE_ZIP_DIR_SLOT_DEL >> 8;
} else {